Monthly Archive: February 2013

Feb 18

Mail Client Configuration shows incorrect server name

Sometimes it happen the Mail Client Configuration(cPanel > Email Accounts > any email account in list > More > Configure Email Client) option generates incorrect server name under “Secure SSL/TLS Settings” The server name can be corrected in the following files of cPanel. /var/cpanel/ssl/dovecot-CN /var/cpanel/ssl/exim-CN /var/cpanel/ssl/courier-imapd-CN /var/cpanel/ssl/courier-pop3d-CN

Feb 18

Slow downloading speed from server

This can be of many reasons, might be due to server load, firewall etc. Basically we check these areas when slow downloading speed occurs 🙂 But I have identified one uncommon and not easily notifiable thing on my server regarding with my public Ethernet interface. Please see the following result. ———————- # ethtool eth0 Settings …

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Feb 18

ERROR : Can’t locate Net/SNMP.pm in @INC

Recently I met with an error in server while checking traffic in and traffic out plugin for monitoring system(Nagios). ———– Can’t locate Net/SNMP.pm in @INC (@INC contains: /usr/local/lib/perl5/5.8.8/i686-linux /usr/local/lib/perl5/5.8.8 /usr/local/lib/perl5/site_perl/5.8.8/i686-linux /usr/local/lib/perl5/site_perl/5.8.8 /usr/local/lib/perl5/site_perl .) at /usr/local/nagios/libexec/check_bw_snmp_out line 16. BEGIN failed–compilation aborted at /usr/local/nagios/libexec/check_bw_snmp_out line 16. ———– This can be easily fixed by installing Net::SNMP Try, #cpan …

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Feb 18

Warning: unable to lock IP traffic monitor on (null)

I got the following error when I tried to open “iptraf” tool to monitor by server traffic levels. Warning: unable to lock IP traffic monitor on (null) This can be fixed by doing #mkdir -p /var/lock/iptraf